def ensure_uuid(item: bpy.types.ID) -> str:
"""Ensures that the item datablock has a mixer_uuid property"""
uuid = item.get("mixer_uuid")
if not uuid:
uuid = str(uuid4())
item.mixer_uuid = uuid
return uuid
def _path_resolve(
datablock: bpy.types.ID,
data_path: str) -> Union[FCurveValue, Iterable[FCurveValue]]:
"""Wrapper for datablock.path_resolve(data_path).
Raise UnresolvablePathError when the path cannot be resolved.
This is easier to deal with upstream than the generic ValueError raised
by Blender.
"""
try:
return datablock.path_resolve(data_path) # type: ignore
except ValueError as ex:
raise UnresolvablePathError(str(ex)) from ex